i need to add group of keyword. need url like site.com/group-keyword i try add below code in controller/seo_url.php $url .= '/' . $query->row['keyword']; change to $url .= '/' . $query->row['group'] . '-' . $query->row['keyword']; the url is go to site.com/group-keyword. url it true. but it not work. the page it go to 404 page.